do I introduce? do you introduce? does she introduce? do we introduce? do you introduce? do they introduce?
Present continuous
am I introducing? are you introducing? is she introducing? are we introducing? are you introducing? are they introducing?
Preterite
did I introduce? did you introduce? did she introduce? did we introduce? did you introduce? did they introduce?
Preterite continuous
was I introducing? were you introducing? was she introducing? were we introducing? were you introducing? were they introducing?
Present perfect
have I introduced? have you introduced? has she introduced? have we introduced? have you introduced? have they introduced?
Present perfect continuous
have I been introducing? have you been introducing? has she been introducing? have we been introducing? have you been introducing? have they been introducing?
Pluperfect
had I introduced? had you introduced? had she introduced? had we introduced? had you introduced? had they introduced?
Pluperfect continuous
had I been introducing? had you been introducing? had she been introducing? had we been introducing? had you been introducing? had they been introducing?
Future
will I introduce? will you introduce? will she introduce? will we introduce? will you introduce? will they introduce?
Future continuous
will I be introducing? will you be introducing? will she be introducing? will we be introducing? will you be introducing? will they be introducing?
Future perfect
will I have introduced? will you have introduced? will she have introduced? will we have introduced? will you have introduced? will they have introduced?
Future perfect continuous
will I have been introducing? will you have been introducing? will she have been introducing? will we have been introducing? will you have been introducing? will they have been introducing?
Conditional
Present
would I introduce? would you introduce? would she introduce? would we introduce? would you introduce? would they introduce?
Present continuous
would I be introducing? would you be introducing? would she be introducing? would we be introducing? would you be introducing? would they be introducing?
Past
would I have introduced? would you have introduced? would she have introduced? would we have introduced? would you have introduced? would they have introduced?
Past continuous
would I have been introducing? would you have been introducing? would she have been introducing? would we have been introducing? would you have been introducing? would they have been introducing?